參數(shù)資料
型號(hào): FN7173
廠商: Intersil Corporation
英文描述: Sync Separator, 50% Slice, S-H, Filter, Horizontal sync output
中文描述: 同步分離器,50%的切片,上海,過(guò)濾器,臥式同步輸出
文件頁(yè)數(shù): 2/9頁(yè)
文件大?。?/td> 141K
代理商: FN7173
2
NOTES:
1. No video signal, outputs unloaded
2. At loss of signal (pin 10 high) the pull down current source switches to a value of 10μA
3. Tested for V
DD
5V ±5%
4. Current sourced from pin 2 is V
REF
/R
SET
Dynamic Specifications
R
F
= 22k
, R
SET
= 681k
, V
DD
= 5V, Video Input = 1V
P-P
, T
A
= 25°C, C
L
= 15pF, I
OH
= -1.6mA,
I
OL
= 1.6mA
NOTES:
1. Width is a function of R
SET
2. c/s, Vertical, Back porch and H are all active low, V
OH
= 0.8V; vertical is 3H lines wide of NTSC signal
3. Attenuation is a function of R
F
. See filter typical characteristics
4. Vertical pulse width in absence of serrations on input signal
Absolute Maximum Ratings
(T
A
= 25°C)
V
CC
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7V
Storage Temperature. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pin Voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to V
CC
+0.5V
Operating Temperature Range . . . . . . . . . . . . . . . . .-40°C to +85°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
Die Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .150°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: T
J
= T
C
= T
A
DC Electrical Specifications
V
DD
= 5V, T
A
= 25°C, R
SET
= 681k
, R
F
= 22k
, R
LV
= 82k
PARAMETER
DESCRIPTION
MIN
TYP
MAX
UNIT
I
DD
Clamp Voltage
V
DD
= 5V (Note 1)
Pins 4, 8, unloaded
2.5
4
mA
1.3
1.55
1.8
V
Discharge Current
Pins 4, 8, with Signal (V
IN
= 2V)
Pins 4, 8, no Signal (Note 2)
3
6
12
μA
Discharge Current
10
μA
Clamp Charge Current
Pins 4, 8, V
IN
= 1V
Pin 12, V
DD
= 5V (Note 3)
Pin 1
2
3
4
mA
Ref. Voltage V
REF
Filter Reference Voltage, VRF
1.5
1.75
2
V
0.35
0.5
0.65
V
Level Reference Current
Pin 2 (Note 4)
1.5
2.5
3.5
μA
V
OL
Output Low Voltage
V
OH
Output High Voltage
I
OL
= 1.6mA
I
OH
= -40μA
I
OH
= -1.6mA
350
800
mV
4
V
2.4
4
V
PARAMETER
DESCRIPTION
MIN
TYP
MAX
UNIT
Horizontal Pulse Width, Pin 15, t
H
Vertical Sync Width, Pin 5, t
VS
Burst/Back Porch Width, Pin 11, t
B
Filter Attenuation
(Note 1)
3.8
5
6.2
μs
(Note 2)
195
μs
(Note 1)
2.7
3.7
4.7
μs
F
IN
= 3.6MHz (Note 3)
V
IN
(Pin 4)—Comp Sync
p-p NTSC Signal
12
dB
Comp. Sync Prop. Delay, t
CS
Input Dynamic Range
250
400
ns
0.4
2
V
Slice Level
Input Voltage = 1V
P-P
V
SLICE
/V
BLANK
Input Voltage = 1V
P-P,
Pin 4
(Note 4)
40
50
60
%
40
50
60
Level Out, Pin 9
500
600
700
mV
Vertical Sync Default Time, t
VSD
Loss of Signal Time-Out
27
36
57
μs
Pin 10
400
600
800
μs
Burst/Back Porch Delay, t
BD
(See Figure 4)
250
400
ns
EL4583
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